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Oversampling

For general discussion related FlowStone

Oversampling

Postby Logado » Thu Jun 02, 2016 9:10 am

I try to use oversampled hard clip with oversampling kit..
x2 much clearer but no difference between x2 and x4. what im did wrong?
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Oversampling test.fsm
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Logado
 
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Re: Oversampling

Postby MyCo » Thu Jun 02, 2016 12:24 pm

Use the Up/Downsampling modules from the "Oversampling Kit (MyCo)" Module. This kit has many fixes and optimizations that the original kit didn't have.
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Re: Oversampling

Postby Logado » Thu Jun 02, 2016 2:40 pm

Thank you, MyCo :)
a few noob questions. :lol:
the name of this method? i want read some teory how this work :)
this method adds a latency?
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Re: Oversampling

Postby MyCo » Thu Jun 02, 2016 3:05 pm

Don't know the exact name. But it's just oversampling using half band filters. It doubles the sample rate removes the aliasing using a half band filter then it goes into your effect and finally it uses the half band filter to limit the frequencies to 1/2 of niquist frequency and outputs every second sample interpolated.

It just looks a bit stupid in FS, because we can't process samples in higher samplerates. So we process even and odd samples of the higher samplerate stream in 2 separate streams (running at original sample rate in parallel)
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